??? ??? ?? ?? ?? ?? | ??? ???(Ryan Gravel) - a podcast by TED
from 2016-12-01T16:57:12
::
::
?????? ??? ???? ?? ??? ?????? 22 ?? ??? ??? ??? ???? ?????? ?? ???? ????? ???? ?????. ?? ??? ????. "??? ???? ??? ??? ?? ????. ?? ????? ???? ???? ???? ?? ???."
Further episodes of TEDTalks 아동과 가족
Further podcasts by TED
Website of TED